Home / 57,078.03-85,616.10-17,630.49

Finding the Fourth Proportional to 57,078.03, 85,616.10 and 17,630.49

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Solution

The fourth proportional to 57,078.03, 85,616.10 and 17,630.49 is: 26,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,078.03 : 85,616.10 = 17,630.49 : x
  2. Step 2: Convert to fraction form
    57,078.03/85,616.10 = 17,630.49/x
  3. Step 3: Cross multiply
    57,078.03x = 85,616.10 × 17,630.49
  4. Step 4: Simplify right side
    57,078.03x = 1,509,453,794.89
  5. Step 5: Solve for x
    x = 1,509,453,794.89/57,078.03
  6. Step 6: Final answer
    x = 26,445.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.